OpenSearch
Open source distributed and RESTful search engine.
Overview
OpenSearch is a fully open-source search and analytics engine for a broad range of use cases like real-time application monitoring, log analytics, and website search. It includes a k-NN (k-Nearest Neighbors) plugin that enables vector similarity search, making it a powerful and flexible alternative for building AI-powered applications. OpenSearch is a fork of Elasticsearch and Kibana and is maintained by a community of developers.
✨ Key Features
- Open-source (Apache 2.0 license)
- Full-text search
- Vector search (k-NN)
- Log analytics and observability
- Security analytics
- Distributed and scalable
- Integrated visualization with OpenSearch Dashboards
🎯 Key Differentiators
- Fully open-source under the Apache 2.0 license
- Community-driven development
- No vendor lock-in
Unique Value: OpenSearch provides a powerful, truly open-source platform for search, analytics, and vector search, giving organizations complete control over their data and infrastructure without vendor lock-in.
🎯 Use Cases (5)
✅ Best For
- Powering search and analytics for a wide range of applications and services
- Building open-source observability and security solutions
- Creating semantic search experiences for websites and internal knowledge bases
💡 Check With Vendor
Verify these considerations match your specific requirements:
- Primary database for transactional workloads
- Users who prefer a fully managed, proprietary solution with dedicated support
🏆 Alternatives
As a fully open-source project, OpenSearch offers a more permissive license and a more community-driven approach compared to the commercial offerings from Elastic.
💻 Platforms
✅ Offline Mode Available
🔌 Integrations
🛟 Support Options
- ✓ Live Chat
- ✓ Dedicated Support (NA tier)
💰 Pricing
Free tier: Open-source software is free to use.
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